Billing​/Service Specialist

Billing/Service Specialist

St. Louis, MO

Job Description

The Billing/Service Specialist manages accounts receivable and billing functions for multiple companies while providing dedicated support to the service department. This role plays a key part in maintaining accurate billing processes, ensuring timely invoicing, and supporting ongoing project and service operations in a busy environment with a sustained workload and significant backlog.

Responsibilities

+ Process time and material (T&M) and contract billings accurately and on schedule.

+ Update and maintain billing deadlines and billing requirements for multiple companies and projects.

+ Submit invoices and hours through multiple online systems, ensuring compliance with customer and project requirements.

+ Perform invoice reconciliations to resolve discrepancies and maintain accurate financial records.

+ Set up jobs, contracts, billing rate tables, and markup tables within the billing and ERP systems.

+ Run, review, and distribute monthly reports related to billing, accounts receivable, and service activity.

+ Process and log lien waivers in accordance with company procedures and project requirements.

+ Process, review, and submit monthly and quarterly diversity payments, ensuring proper documentation and reporting.

+ Update and maintain the Service Aging Report to track outstanding service invoices and follow-up actions.

+ Submit service invoices in multiple online systems, adhering to customer-specific billing formats and deadlines.

Essential Skills

+ Background in accounts receivable and billing, preferably in a high-volume or project-based environment.

+ Comfort working in a legacy ERP environment and adapting to older processes during transition periods.

+ Strong attention to detail and accuracy when handling financial and billing data.

+ Solid math aptitude and ability to work confidently with numerical data and calculations.

+ Strong Excel skills, including the ability to work with spreadsheets, formulas, and data analysis for billing and reporting.

Qualifications

+ Experience in the construction industry is preferred, particularly in a project-driven environment.

+

Experience with AIA billing is highly desirable, including familiarity with AIA G702 and G703 forms.

+

Experience with Sage 300 Construction and Real Estate (Timberline) is preferred.

Work Environment

This position is 100% onsite with a regular schedule of 7:00 AM to 3:30 PM. You will work in a collaborative office and accounting environment alongside purchasing specialists, an accounts payable specialist, a payroll specialist, a billing specialist, and a service representative.

Job Type & Location

This is a Contract to Hire position based out of Saint Louis, MO.

Pay and Benefits

The pay range for this position is $28.00 - $29.00/hr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:

- Medical, dental & vision
- Critical Illness, Accident, and Hospital - 401(k) Retirement Plan
- Pre-tax and Roth post-tax contributions available
- Life Insurance (Voluntary Life & AD&D for the employee and dependents) - Short and long-term disability
- Health Spending Account (HSA) - Transportation benefits
- Employee Assistance Program
- Time Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type

This is a fully onsite position in Saint Louis,MO.

Final date to receive applications

This position is anticipated to close on Aug 29, 2026.

About Aston Carter

Aston Carter provides world-class corporate talent solutions to thousands of clients across the globe. Specialized in accounting, finance, human resources, talent acquisition, procurement, supply chain and select administrative professions, we extend the capabilities of industry-leading companies. We draw on our deep recruiting expertise and expansive network to meet the evolving needs of our clients and talent community with agility and excellence.

With offices across the U.S., Canada, Asia Pacific and Europe, Aston Carter serves many of the Fortune 500. We are proud to be a Clearly Rated Best of Staffing® Platinum Award winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability,…